parallel backend: Added missing #include lines

diff --git a/backend/parallel.c b/backend/parallel.c
index 88ba7aec1a3966a9da2f6da9459074d71f830383..f7744138ad7ee8d7970bb91ed4eb8d350d9c8dde 100644 (file)
--- a/backend/parallel.c
+++ b/backend/parallel.c
@@ -21,6 +21,8 @@
 //
 
 #include <cupsfilters/ieee1284.h>
+#include <cups/backend.h>
+#include <cups/sidechannel.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <termios.h>